- #Why doest mac detect usb drive for bootable install
- #Why doest mac detect usb drive for bootable full
- #Why doest mac detect usb drive for bootable windows 10
If it's not recoverable, that shouldn't be too big of an issue because I can just copy the important data elsewhere from WinPE and then reimage this machine. If the computer is configured to automatically boot from the USB drive, you will see a screen that says Automatic boot in 10 seconds with a countdown.
#Why doest mac detect usb drive for bootable windows 10
Sfc /scannow /offbootdir=C:\ /offwindir=C:\windowsĭism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windowsīooted onto a Windows 10 installation drive and tried going through the repair options, but they all failed nearly instantly.ĭoes anyone else have any ideas for this one? I'm at a bit of a loss here. I use the option key while turning on and select the USB drive, but it takes me to 'internet recovery' regardless, which fails with 1008F. The creation process works fine with no problems. In WinPE, tried this command (with the proper drive letters set), received message that no errors were detected: I used another Mac to create a bootable USB as described here. The only 'choice' I get is to startup from the hard drive. I switch off the MacBook and restart is, while pressing the 'option' key. It looks like all of the data on the drive is fine, too (I can see files from the Windows partition that I am trying to recover). After the Google Chrome Recovery Tool has checked the file and confirmed the operation was successful, the USB drive isn't shown in Finder anymore. As long as you have the bootable installation USB, you can. The drive will have to contain a version of the OS that is compatible with the Mac.
If your Mac won't boot up normally, you can set it to boot from a different drive, such as a USB stick containing macOS installation files in bootable format.
#Why doest mac detect usb drive for bootable full
Placing an SSD from an identical machine into this one does work properlyĭid a full system check from HP's BIOS optionsīooting into WinPE, I can see that all of the partitions exist. Boot Mac from USB Option l: Startup Manager. Following the guide in reply to this question should get you going in the right direction. Try selecting hard drive from one time boot menu and see what devices are named there at boot time to eliminate/prove this possibility. Placing SSD in an identical machine gives the same error The usb flash drive you are using could be being detected by firmware as a hard drive. Let me get out of the way all of the steps I have tried already: It’s been a while that I’ve had to worry about it but I do believe the 2007 & 2008 models are the last ones that required boot up from either the internal optical drive or an external FireWire drive (prepped with Mac OS-X as a bootable drive). The first Mac was the MacBook Air which came out in January 2008.
#Why doest mac detect usb drive for bootable install
When I try booting it, I get an error about needing to install a hard drive. The older MacBooks & MacBook Pro’s didn’t offer USB boot support.
This is an HP machine with Windows 10 installed on an SSD.
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